fix: flashlist import in expo app

Author: khushal87

examples/ExpoMessaging/package.json

@@ -13,6 +13,7 @@
     "@op-engineering/op-sqlite": "^14.0.4",
     "@react-native-community/netinfo": "11.4.1",
     "@react-navigation/elements": "^1.3.31",
+    "@shopify/flash-list": "^2.0.3",
     "expo": "53.0.20",
     "expo-audio": "~0.4.8",
     "expo-clipboard": "~7.1.5",